<?php
class m_form_services_StructureService extends f_core_Service
{
	/**
	 * @var m_form_services_StructureService
	 */
	private static $instance;
	
	/**
	 * Constructor
	 */
	private function __construct()
	{
		// Code if needed...
	}
	
	/**
	 * @return m_form_services_StructureService
	 */
	public static function getInstance()
	{
		if (self::$instance === null)
		{
			self::$instance = new self();
		}
		return self::$instance;
	}
	
	// Code your methods here...
}